Home / 86,893,797.29-119,914,668.48-47,739,192.71

Finding the Fourth Proportional to 86,893,797.29, 119,914,668.48 and 47,739,192.71

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Solution

The fourth proportional to 86,893,797.29, 119,914,668.48 and 47,739,192.71 is: 65,880,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893,797.29 : 119,914,668.48 = 47,739,192.71 : x
  2. Step 2: Convert to fraction form
    86,893,797.29/119,914,668.48 = 47,739,192.71/x
  3. Step 3: Cross multiply
    86,893,797.29x = 119,914,668.48 × 47,739,192.71
  4. Step 4: Simplify right side
    86,893,797.29x = 5,724,629,466,722,909
  5. Step 5: Solve for x
    x = 5,724,629,466,722,909/86,893,797.29
  6. Step 6: Final answer
    x = 65,880,760.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.